Use the form below to do your conversion.
Solution
Step1
Log20389=Log(389) ÷ Log(20)
Log(389)= 2.5899496013257
Log(20)=1.301029995664
Log20389=2.5899496013257 ÷ 1.301029995664
Ans=1.9906916903971
Step2
Alternatively, the logarithm can be calculated like this.